19 lines
357 B
MySQL
19 lines
357 B
MySQL
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DELETE FROM pet WHERE id IN (
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SELECT pet.id
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FROM pet, person_pet, person
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WHERE
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person.id = person_pet.person_id AND
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pet.id = person_pet.pet_id AND
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person.first_name = "Zed"
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);
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SELECT * FROM pet;
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SELECT * FROM person_pet;
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DELETE FROM person pet
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WHERE pet id NOT IN (
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SELECT id FROM pet
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);
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SELECT * FROM person_pet;
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